For anyone interested, T Splines is hosting a webinar on footwear last, and outsole/midsole creation using Rhino and T Splines on Wednesday, December 7, 2011 12:00 PM - 1:00 PM EST
More info and registration here:
https://www1.gotomeeting.com/register/484457257
If you can’t make the webinar they typically upload it to their website soon after.